{
 "A9_vggt_depth_raft": {
  "engine": "VGGT-1B depth-only(帧内中位归一) x SEA-RAFT流@518, 拍飞窗剔除, GPU1-UUID锚定",
  "bins_far_to_near_flowx_px_per_1000w": [
   1504.6,
   1563.2,
   1135.1,
   -1477.7,
   -6263.4
  ],
  "bins_valid_pairs": [
   57,
   57,
   57,
   57,
   57
  ],
  "spearman_flowx_vs_invdepth_med": -0.694,
  "spearman_n": 57,
  "read": "近负远零+单调=2.5D近滑; 全深度同负∝1/Z=物理平移; 单调递减+远零=分层"
 },
 "A8_searaft_stratified": {
  "engine": "SEA-RAFT-small Tartan-C-T-TSKH432x960-S (生产同引擎), 读出=y波段分层累计, 960w",
  "cum_px_per_1000w": {
   "far": 1797.7,
   "mid": 1187.7,
   "near": -2090.1
  },
  "note": "结果自首跑stdout(/tmp/r054_a8a9.log)抢救回填; 首版脚本json.dump在末尾致A9 OOM时A8未落盘"
 }
}